Pipe covering



FIG. 1 is a front elevation view of a pipe covering;

FIG. 2 is a rear elevation view thereof; and,

FIG. 3 is an enlarged side elevation view thereof.

The horizontal broken line shown in FIG. 2 depicts a perforated fold line that forms no part of the claimed design. 

CLAIM The ornamental design for a pipe covering, as shown and described. 